html, body, canvas {
    height: 100%;
}

body {
    text-align: center;
    margin: 0;
    overflow: hidden;
    background: #000;
    color: white;
}

form {
    position: fixed;
    top: 24px;
    left: 4px;
    text-align: left;
}

h3 {
    padding: 0;
    margin: 0;
    top: 4px;
    position: fixed;
}

label {
    margin-top: 2px;
}

canvas {
    border: none;
}

input {
    border-width: 0 0 1px 0;
    text-align: right;
    width: 128px;
    color: white;
    background-color: black;
    margin-bottom: 8px;
}